121548303 has 16 divisors (see below), whose sum is σ = 185881600. Its totient is φ = 78417720.

The previous prime is 121548281. The next prime is 121548311. The reversal of 121548303 is 303845121.

It is a happy number.

It is not a de Polignac number, because 121548303 - 2⁹ = 121547791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121548103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71773 + ... + 73446.

It is an arithmetic number, because the mean of its divisors is an integer number (11617600).

Almost surely, 2^121548303 is an apocalyptic number.

121548303 is a deficient number, since it is larger than the sum of its proper divisors (64333297).

121548303 is a wasteful number, since it uses less digits than its factorization.

121548303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145259 (or 145253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 121548303 is about 11024.8946933746. The cubic root of 121548303 is about 495.3547136144.

The spelling of 121548303 in words is "one hundred twenty-one million, five hundred forty-eight thousand, three hundred three".